4 miners dead in cave-in at north Mexico coal mine

Argentina, the world's No. 4 lithium producer, has four projects in production.

First Nordic is finalizing its acquisition of the Oijärvi gold project in Finland.

Last week, consulting firm Russell Reynolds delivered a list of 15 potential successors for Eduardo Bartolomeo.

If developed, the $2.4 billion Jadar lithium project in Western Serbia could cover 90% of Europe's current lithium needs.